Datasheet

1.1 Characteristics (curves)
Figure 1. Average forward power dissipation versus
average forward current
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
=0.05
δ = 0.1
δ = 0.2
δ = 0.5
δ = 1
T
δ
=tp/T
tp
I (A)
F(AV)
P
F(AV)
(W)
δ
Figure 2. Average forward current versus ambient
temperature (δ = 0.5)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0 25 50 75 100 125 150 175
R
th(j-a)
=R
th(j-l)
T
δ
=tp/T
tp
SMB flatSMB flat
SMBSMB
T (°C)
amb
I
F(AV)
(A)
Figure 3. Normalized avalanche power derating versus
pulse duration (T
j
= 125 °C)
P (t
p
)
P (10 µs)
ARM
ARM
0.001
0.01
0.1
1
1 10 100 1000
t (µs)
p
Figure 4. Relative variation of thermal impedance junction
to ambient versus pulse duration (SMB)
Z /R
th(j-a ) th(j-a )
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03
Single pulse
SMB
t (s)
p
STPS3H100
Characteristics (curves)
DS6597 - Rev 3
page 3/11